Preparing you for college, a career and life
Best of both worlds - competitive academics + athletics
Providing the best hands-on experience through best in state educators and field professionals
Find your fit: Choose from 9 different Career Clusters, 22 Programs of Study and over 90 + Course offerings + opportunity to graduate with one of 31 available certifications
Follow your passions + join the ever-growing community of leaders and innovators

Our Schools

Free Bus Transportation

Students come from three Rio Grande Valley Counties: 

Cameron, Hidalgo and Willacy

Area of 3,643 miles

Hidalgo Edinburg Mercedes Willacy Cameron San Benito Olmito
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510 S. Sugar Rd., Edinburg, TX 78539

(956) 383-1684

900 Med High Dr., Mercedes, TX 78570

(956) 565-4620

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151 S. Helen Moore Rd., San Benito, TX 78586

(956) 399-4358

724 S. Sugar Rd., Edinburg, TX 78539

(956) 381-5522

10650 North Expressway 77/83, Olmito, TX 78575

(956) 214-6100

700 Med High Dr., Mercedes, TX 78570

(956) 565-2237

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Serving STISD's tri-county area | 956.514.4201

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Welcome to STISD's seventh and newest campus, an all-virtual learning option for RGV

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South Texas ISD at a Glance

best places to teach in Texas 

Best Teachers in Texas 

school district in Texas 

of STISD graduates attend college/university | 1%: Military 

STISD College, Career and Military Readiness (CCMR) Newsletter: 2023-2024 Volume 4

Welcome to Volume 4 of the STISD College, Career, and Military Readiness (CCMR) Newsletter, the last one for the 2023-2024 school year.

In this quarterly newsletter, students and parents will find important information regarding FAFSA, scholarships, Dual Credit, testing, CTE Programs of Study and mandatory deadlines.

Read More about STISD College, Career and Military Readiness (CCMR) Newsletter: 2023-2024 Volume 4
In Frame: Samuel + Timothy Qin

These two are quite the duo - similar yet different and bring their own unique flare despite the obvious.

Our students in frame: Timothy and Samuel Qin enjoy basketball, swimming, chess, piano playing, competing in UIL academic events and hanging out with friends - and the best part: they get to do it all together.

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Student In Frame - STISD's first-ever Coca Cola Scholar: Alfia Bilal

There's often a silent exchange from STISD's first-ever Coca-Cola scholar and soon-to-be grad walking the halls, a student that just keeps going and going and going. Behind that silence, there's a whole lot of sleepless nights, sweat, and tears that others don't see, shaping quite the esteemed and accomplished individual, leading to the beauty behind it all.

Alfia is one of 150 high school seniors from an initial pool of 103,800+ applications from across the country to be named a 2024 Coca-Cola Scholar. That's less than 1/6th of 1% of applicants. 😮 Pretty impressive, don't you think?

Read More about Student In Frame - STISD's first-ever Coca Cola Scholar: Alfia Bilal

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